Results 31 to 40 of about 2,778 (240)

DNA metabarcoding of faecal pellets reveals high consumption of yew (Taxus spp.) by caribou (Rangifer tarandus) in a lichen-poor environment

FACETS, 2022
Woodland caribou (Rangifer tarandus caribou) are threatened in Canada because of the drastic decline in population size caused primarily by human-induced landscape changes that decrease habitat and increase predation risk.
Greniqueca Mitchell, Paul J. Wilson, Micheline Manseau, Bridget Redquest, Brent R. Patterson, Linda Y. Rutledge   +5 more
doaj   +1 more source

Unexpected Dual Function of Plant YUCCA Enzymes Links Chlorophyll Catabolism to Auxin Homeostasis

Angewandte Chemie, EarlyView.
YUCCA enzymes are well known to catalyze the main step of auxin biosynthesis in plants. Here, a hitherto undescribed dual function was discovered, revealing that some YUCCAs also act in chlorophyll degradation. In vitro feedback regulation furthermore suggests a link between chlorophyll degradation and hormone homeostasis and a physiological role of ...
Sina Rütschlin, Lei Zhang, Cornelia A. Karg, Michael Zwerger, Johanna M. Gostner, Simone Moser, Robin Teufel   +6 more
wiley   +2 more sources

Native trees are related to advanced bird breeding phenology and increased reproductive success along an urban gradient. [PDF]

Ecology
Abstract Urban areas are altered from natural landscapes in several ways that can impact wildlife. Birds are widespread in urban areas, and it is well documented that there are phenotypic differences between urban and non‐urban conspecifics. However, little is known about which characteristics of the urban environment are driving differences. We used 9 
Branston CJ, Capilla-Lasheras P, Haugh C, Baker PJ, Reid R, Griffiths K, White S, Dominoni DM.   +7 more
europepmc   +2 more sources

Incidence of allergenic pollen of Acer spp., Fraxinus spp. and Platanus spp. in the city of La Plata, Argentina: preliminary results

Aerobiologia, 2002
This work studies the airborne pollenconcentrations of Acer spp.,Fraxinus spp. and Platanus spp. sincethe pollen of these three taxa has beencharacterized as etiological agents ofpollinosis. These tree species are present inlarge amounts in the streets of La Plata city.The aeropalynological monitoring was performedwith a Hirst-type spore trap (Lanzoni ...
Nitiu, Daniela Silvana, Mallo, Andrea Cecilia   +1 more
openaire   +2 more sources

Feeding Behaviour of Eurasian Beavers (Castor fiber) Along Small Streams in an Agricultural Landscape

Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2022
In areas with high population density, the Eurasian beaver may be forced to utilise sparsely forested landscapes where living conditions may not be optimal for the species. Here, we examine the feeding strategy of Eurasian beavers along a number of small
Ondřej Mikulka, Miloslav Homolka, Jakub Drimaj, Jiří Kamler   +3 more
doaj   +1 more source

Grazing Mares on Pasture with Sycamore Maples: A Potential Threat to Suckling Foals and Food Safety through Milk Contamination

Animals, 2021
Equine atypical myopathy (AM) is seasonal intoxication resulting from the ingestion of seeds and seedlings of the sycamore maple (Acer pseudoplatanus) that contain toxins, among them, hypoglycin A (HGA).
Benoît Renaud, Anne-Christine François, François Boemer, Caroline Kruse, David Stern, Amandine Piot, Thierry Petitjean, Pascal Gustin, Dominique-Marie Votion   +8 more
doaj   +1 more source

Primer registro en Argentina de Drepanosiphum oregonense Granovsky (Hemiptera: Aphididae) hallada sobre arces (Sapindaceae)

Revista de la Facultad de Ciencias Agrarias, 2022
Se informa del hallazgo del áfido Drepanosiphum oregonense Granovsky (Hemiptera: Aphididae) sobre árboles de Acer pseudoplatanus y A. campestre (Sapindaceae) en Argentina lo que constituye el primer registro de la especie y del género Drepanosiphum Koch
Jaime Ortego, Anabel Olave, Milagros Pilar Mier Durante   +2 more
doaj  

First Record of Eutypella parasitica on Maples in Urban Area in Croatia

South-East European Forestry, 2017
Background and Purpose: Eutypella parasitica, a plant pathogenic fungus attacking maples (Acer spp.) was detected for the first time in Croatia in 2007.
Dario Ivić, Zdravka Sever, Željko Tomić   +2 more
doaj   +1 more source

Insect herbivores increase mortality and reduce tree seedling growth of some species in temperate forest canopy gaps [PDF]

PeerJ, 2017
Insect herbivores help maintain forest diversity through selective predation on seedlings of vulnerable tree species. Although the role of natural enemies has been well-studied in tropical systems, relatively few studies have experimentally manipulated ...
Nathan P. Lemoine, Deron E. Burkepile, John D. Parker   +2 more
doaj   +2 more sources

Investigating Host Preference of Root Endophytes of Three European Tree Species, with a Focus on Members of the Phialocephala fortinii—Acephala applanata Species Complex (PAC)

Journal of Fungi, 2021
Host preference of root endophytes of the three European tree species of Norway spruce (Picea abies), common ash (Fraxinus excelsior), and sycamore maple (Acer pseudoplatanus) were investigated in two forest stands near Zurich, Switzerland. The focus was
Sophie Stroheker, Vivanne Dubach, Irina Vögtli, Thomas N. Sieber   +3 more
doaj   +1 more source